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Title: Section 321  •  Size: 4398

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SECTION 321 - AUTOMATIC SPRINKLER AND STANDPIPE SYSTEMS

321.1 General. Every building, or portion thereof, housing more than six inmates in a detention or correctional facility or similar occupancy, shall be protected by an automatic sprinkler system conforming to the provisions of U.B.C. Standard 9-1. The main sprinkler control valve or valves and all other control valves in the system shall be electrically supervised so that at least a local alarm will sound at a constantly attended location when valves are closed.

EXCEPTION: The sprinkler and piping serving single cells may be imbedded in the concrete construction. Protection for sprinklers and piping shall meet the provisions of U.B.C. Standard 9-1.

When a complete approved automatic sprinkler system conforming to this section is installed in a building or buildings of a detention or correctional facility, pressurized enclosures need not be provided. However all required stairways shall be pressurized to a minimum of 0.15 inch of water column (37.3 Pa) upon actuation of the smoke-detection system.

321.2 Wet Standpipes. Every building in a detention or correctional facility, housing 50 or more inmates, shall be provided with Class II standpipes with hoses, conforming to the provisions of Chapter 9. Wet standpipes shall be located in cell complexes and in other cell areas of the building. In addition, Class II standpipes shall be located so that it will not be necessary to extend hose lines through interlocking security doors or any exit doors in smoke-stop partitions or horizontal exit walls.

321.3 Dry Standpipes. Regardless of the height of the building or number of stories, every detention or correctional facility shall be provided with a Class I standpipe.

EXCEPTION: In lieu of dry standpipes, combined systems meeting the provisions of U.B.C. Standard 9-2 may be used.

When acceptable to the fire authority having jurisdiction, fire department connections may be located inside all security walls or fences on the property.

Standpipes shall be located in accordance with Chapter 9, and when located in cell complexes, may be placed in secured pipe chases.

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